---
title: "delay period — Niche Verdict: Worth a look (51/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/delay-period"
last_updated: "2026-07-14T05:12:36.471Z"
locale: en
meta:
  description: "delay period shows low returns (0.2%), but a small market ($78K/yr) keeps it on the watch list."
  "og:description": "delay period shows low returns (0.2%), but a small market ($78K/yr) keeps it on the watch list."
  "og:title": "delay period — Niche Verdict: Worth a look (51/100) | Amazon United States - Flapen"
---

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# **delay period**

**Worth a look**

Shows low returns (0.2%), but a small market ($78K/yr) keeps it on the watch list.

Market size 20Growth 46Conversion 58Competition 26Returns 99Price range 77Avg price 90Brand share 42Review moat 43Quality gap 73

**Returns**

**Incredible****0.2%**

return rate — above 6% kills the launch gate

**Avg price**

**Great****$21.12**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$7.16–$42.13**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.9%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Okay****+16.6%**

90-day search growth — must beat 0% to launch

**Review moat**

**Okay****2,174.33**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****80%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****69%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Bad****$78K**

$78K/yr · 76K searches

## **Competition**

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**14 **▲rising

**Sellers**

**53**

**Top-5 brand share**

**80%**

**Open market**

**16%**

- Vitanica49% - WishGarden12% - Boiron10% - KNIX5% - Bestmade Naturalproducts.com4% - TIICHOO4% - Open — no brand owns it (8 brands, 16%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$8K20%$16K30%$23K40%$31K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Vitanica Slow Flow Menstrual Flow Support Vegan 60 Capsules (Slow Flow Pro Logo)](https://m.media-amazon.com/images/I/41NIUTV56NL.jpg)**Vitanica Slow Flow Menstrual Flow Support Vegan 60 Capsules (Slow Flow Pro Logo)**Vitanica**$21.65**4.2★1,959 rev](https://www.amazon.com/dp/B004W6W8OO) [2![Vitanica Slow Flow Menstrual Flow Support Vegan 60 Capsules (Slow Flow)](https://m.media-amazon.com/images/I/41d8bTx+1UL.jpg)**Vitanica Slow Flow Menstrual Flow Support Vegan 60 Capsules (Slow Flow)**Vitanica**$21.76**4.2★1,959 rev](https://www.amazon.com/dp/B000FL44W4) [3![WishGarden Herbs Flow Stopper Lingering Cycle (Wombstringe) - Plant-Based Herbal Formula w/Shepherds Purse & Witch Hazel Moderates Breatkthrough Bleeding Blood Flow & Spotting Between Cycles 2oz](https://m.media-amazon.com/images/I/31yhKs4kVKL.jpg)**WishGarden Herbs Flow Stopper Lingering Cycle (Wombstringe) - Plant-Based Herbal Formula w/Shepherds Purse & Witch Hazel Moderates Breatkthrough Bleeding Blood Flow & Spotting Between Cycles 2oz**WishGarden**$26.33**4.0★142 rev](https://www.amazon.com/dp/B09F9RHWBL) [4![Boiron Sabina 30X for Heavy Menstrual Flow with Pain in the Upper Thighs - 80 Pellets](https://m.media-amazon.com/images/I/31PXyyGmseL.jpg)**Boiron Sabina 30X for Heavy Menstrual Flow with Pain in the Upper Thighs - 80 Pellets**Boiron**$7.32**4.3★42 rev](https://www.amazon.com/dp/B00IZKZOLW) [5![KNIX Women Leakproof Period Underwear Boyshort Heavy Flow Protection Absorbs 47 Super Tampons - Black Medium (1 Pack)](https://m.media-amazon.com/images/I/212QfVB6RwL.jpg)**KNIX Women Leakproof Period Underwear Boyshort Heavy Flow Protection Absorbs 47 Super Tampons - Black Medium (1 Pack)**KNIX**$27.64**4.2★468 rev](https://www.amazon.com/dp/B0BHKVC5ZH)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![YESWEL Period Underwear For Women Leak-Proof Hipster Brief Heavy Flow 3 Pack (3X-Large Black)](https://m.media-amazon.com/images/I/41Lu-K5mOTL.jpg)**YESWEL Period Underwear For Women Leak-Proof Hipster Brief Heavy Flow 3 Pack (3X-Large Black)**YESWEL**$17.40**1,583 rev1y ago](https://www.amazon.com/dp/B0DHCD1FMC) [![TIICHOO Period Underwear for Women Heavy Flow Leakproof Period Shorts for Day and Night Absorbency Pack of 3(Medium 3 Black)](https://m.media-amazon.com/images/I/31OFS0uLFPL.jpg)**TIICHOO Period Underwear for Women Heavy Flow Leakproof Period Shorts for Day and Night Absorbency Pack of 3(Medium 3 Black)**TIICHOO**$34.14**117 rev1y ago](https://www.amazon.com/dp/B0DGLKZX4G) [![WishGarden Herbs Flow Stopper Lingering Cycle (Wombstringe) - Plant-Based Herbal Formula w/Shepherds Purse & Witch Hazel Moderates Breatkthrough Bleeding Blood Flow & Spotting Between Cycles 4oz](https://m.media-amazon.com/images/I/31X4A9TgjjL.jpg)**WishGarden Herbs Flow Stopper Lingering Cycle (Wombstringe) - Plant-Based Herbal Formula w/Shepherds Purse & Witch Hazel Moderates Breatkthrough Bleeding Blood Flow & Spotting Between Cycles 4oz**WishGarden**$42.13**142 rev2y ago](https://www.amazon.com/dp/B0CP4KWTNH) [![WishGarden Herbs Flow Stopper Lingering Cycle (Wombstringe) - Plant-Based Herbal Formula w/Shepherds Purse & Witch Hazel Moderates Breatkthrough Bleeding Blood Flow & Spotting Between Cycles 2oz](https://m.media-amazon.com/images/I/31yhKs4kVKL.jpg)**WishGarden Herbs Flow Stopper Lingering Cycle (Wombstringe) - Plant-Based Herbal Formula w/Shepherds Purse & Witch Hazel Moderates Breatkthrough Bleeding Blood Flow & Spotting Between Cycles 2oz**WishGarden**$26.33**142 rev2y ago](https://www.amazon.com/dp/B09F9RHWBL) [![Bestmade Womens Excessive Bleeding Remedy BM27 - Promotes Balance & Comfort During Menstruation Menopause & Natural Support 350 Pellets](https://m.media-amazon.com/images/I/31BueQQ6B8L.jpg)**Bestmade Womens Excessive Bleeding Remedy BM27 - Promotes Balance & Comfort During Menstruation Menopause & Natural Support 350 Pellets**Bestmade Naturalproducts.com**$39.92**43 rev2y ago](https://www.amazon.com/dp/B0CGS5J172)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![YESWEL Period Underwear For Women Leak-Proof Hipster Brief Heavy Flow 3 Pack (3X-Large Black)](https://m.media-amazon.com/images/I/41Lu-K5mOTL.jpg)**YESWEL Period Underwear For Women Leak-Proof Hipster Brief Heavy Flow 3 Pack (3X-Large Black)**YESWEL**$17.40**4.4★**▲ 233%**](https://www.amazon.com/dp/B0DHCD1FMC) [![KNIX Women Leakproof Period Underwear Boyshort Heavy Flow Protection Absorbs 47 Super Tampons - Black Medium (1 Pack)](https://m.media-amazon.com/images/I/212QfVB6RwL.jpg)**KNIX Women Leakproof Period Underwear Boyshort Heavy Flow Protection Absorbs 47 Super Tampons - Black Medium (1 Pack)**KNIX**$27.64**4.2★**▲ 232%**](https://www.amazon.com/dp/B0BHKVC5ZH) [![TIICHOO Period Underwear for Women Heavy Flow Leakproof Period Shorts for Day and Night Absorbency Pack of 3(Medium 3 Black)](https://m.media-amazon.com/images/I/31OFS0uLFPL.jpg)**TIICHOO Period Underwear for Women Heavy Flow Leakproof Period Shorts for Day and Night Absorbency Pack of 3(Medium 3 Black)**TIICHOO**$34.14**4.2★**▲ 218%**](https://www.amazon.com/dp/B0DGLKZX4G) [![Myo-Inositol & D-Chiro Inositol for Hormone Balance for Women | Fertility Ovarian Health & Cycle Support | Ideal 40:1 Ratio Myoinositol 2000mg & D Chiro 50mg | Ovarian Support Vitamins | 120 Ct.](https://m.media-amazon.com/images/I/416bKfjedML.jpg)**Myo-Inositol & D-Chiro Inositol for Hormone Balance for Women | Fertility Ovarian Health & Cycle Support | Ideal 40:1 Ratio Myoinositol 2000mg & D Chiro 50mg | Ovarian Support Vitamins | 120 Ct.**SMNutrition**$19.27**4.6★**▲ 81%**](https://www.amazon.com/dp/B0BDMN44MT) [![Pixie Menstrual Disc Applicator for Feminine Care - Inserts Like A Tampon - Every Woman Can Now Use Period Discs - Perfect for Long Nails - Self Sanitizer TPE Properties (Disc Applicator)](https://m.media-amazon.com/images/I/41UR-uOSFiL.jpg)**Pixie Menstrual Disc Applicator for Feminine Care - Inserts Like A Tampon - Every Woman Can Now Use Period Discs - Perfect for Long Nails - Self Sanitizer TPE Properties (Disc Applicator)**Pixie Cup**$18.48**4.3★**▲ 79%**](https://www.amazon.com/dp/B0CGQ3YW9M)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +16.6% search growth over the last 90 days.

18K13KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 13.3×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Use**10%

*“Easy to use”*

**Efficiency**8%

*“Works effectively and efficiently”*

**Value For Money**7%

*“Good price”*

**Menstrual Issues**7%

*“Great alternative option for menstruators”*

**Quality-Overall**6%

*“Great quality”*

**Advertised Vs Actual Product**6%

*“It works as it should”*

**Comfort-Overall**5%

*“So comfy”*

**Side Effects**4%

*“Mild side effects, it gave me a more stable mood throughout the day and it most definitely assisted with weight loss”*

**Hormonal Balance**3%

*“Good for your hormones”*

**Fertility/Conception**3%

*“great for fertility”*

### **What buyers complain about **

**Functionality-Overall**16%

*“Not really doing anything”*

**Side Effects**10%

*“a side effect I experienced is that it delays your cycle”*

**Leak-Proof**6%

*“It leaks”*

**Ease Of Use**5%

*“Awkward To Use”*

**Value For Money**5%

*“Very pricey for the amount you have to take daily”*

**Dosage**5%

*“Next time I would probably take half as much”*

**Size-Overall**3%

*“overall just too large to comfortably use”*

**Smell**3%

*“not much smell to them”*

**Durability**2%

*“Not for long term use”*

**Weight Heavy**2%

*“They felt way too bulky”*

### **Top return reasons **

**Size-Overall**39%

**Functionality-Overall**10%

**Leak-Proof**9%

**Comfort-Overall**7%

**Advertised Vs Actual Product**6%

**Material Quality**6%

**Assembly/Installation**2%

**Waist Fit**2%

**Pain Relief-Overall**2%

**Ease Of Use**2%